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Finding the Fourth Proportional to 552,325.84, 762,202.40 and 310,608.34

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Solution

The fourth proportional to 552,325.84, 762,202.40 and 310,608.34 is: 428,635.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,325.84 : 762,202.40 = 310,608.34 : x
  2. Step 2: Convert to fraction form
    552,325.84/762,202.40 = 310,608.34/x
  3. Step 3: Cross multiply
    552,325.84x = 762,202.40 × 310,608.34
  4. Step 4: Simplify right side
    552,325.84x = 236,746,422,208.02
  5. Step 5: Solve for x
    x = 236,746,422,208.02/552,325.84
  6. Step 6: Final answer
    x = 428,635.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.